Tail Light Wiring Kit with Bulbs - Use your towed vehicles signal lights without tapping into its wiring. This self-contained wiring kit bypasses your vehicles electrical system, eliminating any concerns over violating the manufacturer's warranty. Lets you use your towed vehicles brake, running and signal lights without tapping into its wiring. Bypasses towed vehicles electrical system completely - wiring is routed beneath the car. Works via independent plugs and sockets mounted inside the tail lights. Maintains manufacturers warranty on towed vehicle by avoiding any involvement with its electrical system. Includes all necessary wiring, 2 lights, 2 sockets, zip-ties and instructions. Made in the USA. NOTE: Towed vehicle must have enough room inside the tail light lens housing for an extra bulb and socket.